Adjunct key to a telephone set or similar article



FIG. 1 is a perspective view of an adjunct key to a telephone set or similar article showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view, the rear elevation view being a mirror image of the front elevation view shown; and

FIG. 4 is a side elevation view thereof. 

The ornamental design for an adjunct key to a telephone set or similar article, substantially as shown and described. 